Purpose
Contains a 12
‑
bit representation of the instantaneous supply voltage of the PCIe cluster.
Usage constraints
This register is read
‑
only.
Configurations
Available in all N1 board configurations.
Memory offset and full register reset value
See
4.7.1 APB energy meter registers summary
The following table shows the bit assignments.
Table 4-144 SYS_V_PCIE Register bit assignments
Bits
Name
Type
Function
[31:12] -
-
Reserved.
[11:0]
SYS_V_PCIE
RO
12
‑
bit representation of the instantaneous supply voltage of the
PCIe cluster:
•
Full scale measurement, 4096, represents 2V5. Full scale is
0xFFF
.
•
Measured voltage = (SYS1)/1622 volts.
•
The
CB_nRST
reset signal resets the register to zero. The
register then updates every 100µs after the reset.
4.7.9
SYS_V_CL1 Register
The SYS_V_CL1 Register characteristics are:
Purpose
Contains a 12
‑
bit representation of the instantaneous supply voltage of N1 SoC cluster 1.
Usage constraints
This register is read-only.
Configurations
Available in all N1 board configurations.
Memory offset and full register reset value
See
4.7.1 APB energy meter registers summary
The following table shows the bit assignments.
Table 4-145 SYS_V_CL1 Register bit assignments
Bits
Name
Type
Function
[31:12] -
-
Reserved.
[11:0]
SYS_V_CL1
RO
12
‑
bit representation of the instantaneous supply voltage of N1
SoC cluster 1:
•
Full scale measurement, 4096, represents 2V5. Full scale is
0xFFF
.
•
Measured voltage = (SY1)/1622 volts.
•
The
CB_nRST
reset signal resets the register to zero. The
register then updates every 100µs after the reset.
4 Programmers model
4.7 APB energy meter registers
101489_0000_02_en
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